Helix 51150 Left Hand Thread 4140 Steel 1 Start Acme Screw, 1-1/2" Screw Diameter, 10 Turns per Inch, 0.1" Lead, 3 Foot Length

Exactly what I needed

The Shaft Had Some Damage To It, And Has A 1/4" Bend In It, Otherwise It Is Good.

Good quality replacement leadscrew